 | Arts - 1830 - 496 pages
...may be, the purposes of melting ; in allowing earthy matters to come to the surface by their superior lightness, and in making the solvent powers of water effect, as far as possible3 the purifying powers of borax and other fluxes in removing soluble oxides. By repeated washing,... | |
 | Meteorology - 1829 - 906 pages
...may be, the purposes of melting; in allowing earthy matters to come to the surface by their superior lightness, and in making the solvent powers of water...and decanting, the finer parts of the gray powder of platina may be obtained as puret as other metals are rendered by the various processes of ordinary... | |
 | William Thomas Brande - Chemistry - 1830 - 784 pages
...may be, the purposes of melting; in allowing earthy matters to come to the surface by their superior lightness, and in making the solvent powers of water...and decanting, the finer parts of the gray powder of platina may be obtained as pure f as other metals are rendered by the various processes of ordinary... | |
 | Gill's scientific, technological and microscopic repository - 1830 - 420 pages
...be, the purposes of melting; in allowing the earthy matters to come to the surface, by their superior lightness ; and in making the solvent powers of water...washing, shaking, and decanting, the finer parts of the grey powder of platina, may be obtained as pure * as other metals are rendered by the various processes... | |
 | 1830 - 484 pages
...may be, the purposes of melting ; in allowing earthy matters to come to the surface by their superior lightness, and in making the solvent powers of water...washing, shaking, and decanting, the finer parts of the grey powder of platina may be obtained as pure * as other metals are rendered by the various processes... | |
 | Francis Lieber, Edward Wigglesworth - Encyclopedias and dictionaries - 1835 - 618 pages
...from its impurities during igneous fusion by fluxes, nor be rendered homogeneous by liquefaction, the mechanical diffusion through water should here be...and decanting, the finer parts of the gray powder of platina may be obtained as pure as other metals are rendered by the various processes of metallurgy... | |
 | George Hogarth Makins - Metallurgy - 1862 - 480 pages
...may be, the purposes of melting, in allowing earthy matters to come to the surface by their superior lightness, and in making the solvent powers of water...soluble oxides. " By repeated washing, shaking, and decantation the finer parts of the grey powder of platinum may be obtained, as pure as other metals... | |
 | George Hogarth Makins - Metallurgy - 1862 - 494 pages
...may be, the purposes of melting, in allowing earthy matters to come to the surface by their superior lightness, and in making the solvent powers of water...soluble oxides. " By repeated washing, shaking, and decantation the finer parts of the grey powder of platinum may be obtained, as pure as other metals... | |
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... like other metals, from its impurities, during igneous fusion, by fluxes, nor be rendered homogeneous by liquefaction, the mechanical diffusion through water should here be made to answer, as far as may be, the purposes of melting ; in allowing earthy... 
